720141318

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181031}}^1$

素因数の和:181069

約数の個数: 48

約数和(自身を含む): 1779182496

約数和(自身を除く): 1059041178

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 181031, 362062, 543093, 1086186, 1629279, 2353403, 3077527, 3258558, 4706806, 6155054, 7060209, 9232581, 14120418, 18465162, 21180627, 27697743, 40007851, 42361254, 55395486, 80015702, 120023553, 240047106, 360070659, 720141318]

約数ペア:

[(1, 720141318), (2, 360070659), (3, 240047106), (6, 120023553), (9, 80015702), (13, 55395486), (17, 42361254), (18, 40007851), (26, 27697743), (34, 21180627), (39, 18465162), (51, 14120418), (78, 9232581), (102, 7060209), (117, 6155054), (153, 4706806), (221, 3258558), (234, 3077527), (306, 2353403), (442, 1629279), (663, 1086186), (1326, 543093), (1989, 362062), (3978, 181031)]